[INFO] fetching crate mtproxy 0.0.2... [INFO] checking mtproxy-0.0.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate mtproxy 0.0.2 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate mtproxy 0.0.2 [INFO] finished tweaking crates.io crate mtproxy 0.0.2 [INFO] tweaked toml for crates.io crate mtproxy 0.0.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mtproxy 0.0.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 62 packages to latest compatible versions [INFO] [stderr] Adding bytes v0.4.12 (available: v1.10.1) [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.40) [INFO] [stderr] Adding env_logger v0.5.13 (available: v0.11.8) [INFO] [stderr] Adding mio v0.6.23 (available: v1.0.4) [INFO] [stderr] Adding rand v0.5.6 (available: v0.9.1) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0cc928e514e5df6ff38b1c2694a61c5c2da6a72c02f67f6588a8a984824be720 [INFO] running `Command { std: "docker" "start" "-a" "0cc928e514e5df6ff38b1c2694a61c5c2da6a72c02f67f6588a8a984824be720", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0cc928e514e5df6ff38b1c2694a61c5c2da6a72c02f67f6588a8a984824be720", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cc928e514e5df6ff38b1c2694a61c5c2da6a72c02f67f6588a8a984824be720", kill_on_drop: false }` [INFO] [stdout] 0cc928e514e5df6ff38b1c2694a61c5c2da6a72c02f67f6588a8a984824be720 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3dda4a48a78de8e6ac7fcedcfcd17214a3a1d0be93585413989d728a506f7afe [INFO] running `Command { std: "docker" "start" "-a" "3dda4a48a78de8e6ac7fcedcfcd17214a3a1d0be93585413989d728a506f7afe", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking slab v0.4.10 [INFO] [stderr] Checking rustc-serialize v0.3.25 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking mtproxy v0.0.2 (/opt/rustwide/workdir) [INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/proto.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | dec: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 26 | dec: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/proto.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | enc: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 27 | enc: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/proto.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | dec: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/main.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 26 | dec: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/proto.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | enc: Box, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 27 | enc: Box, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/proxy.rs:154:11 [INFO] [stdout] | [INFO] [stdout] 154 | let mut pump = pump.borrow_mut(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unused return value of `Vec::::split_off` that must be used [INFO] [stdout] --> src/pump.rs:105:11 [INFO] [stdout] | [INFO] [stdout] 105 | buf.split_off(n); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 105 | let _ = buf.split_off(n); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: variable does not need to be mutable [INFO] [stdout] --> src/proxy.rs:154:11 [INFO] [stdout] | [INFO] [stdout] 154 | let mut pump = pump.borrow_mut(); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mtproxy` (bin "mtproxy") due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: unused return value of `Vec::::split_off` that must be used [INFO] [stdout] --> src/pump.rs:105:11 [INFO] [stdout] | [INFO] [stdout] 105 | buf.split_off(n); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]` [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 105 | let _ = buf.split_off(n); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mtproxy` (bin "mtproxy" test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "3dda4a48a78de8e6ac7fcedcfcd17214a3a1d0be93585413989d728a506f7afe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3dda4a48a78de8e6ac7fcedcfcd17214a3a1d0be93585413989d728a506f7afe", kill_on_drop: false }` [INFO] [stdout] 3dda4a48a78de8e6ac7fcedcfcd17214a3a1d0be93585413989d728a506f7afe